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Brute Force 

Intake 

System 

 

Installation Instructions for: 

Part Number 21-8402 

1999-2002 Toyota 4Runner 3.4L V6 

1999-2004 Toyota Tacoma 3.4L V6 

ADVANCED ENGINE MANAGEMENT INC. 

2205 126

TH

 Street, Unit A Hawthorne, CA. 90250 

Phone: (310) 484-2322 Fax: (310) 484-0152 

www.aempower.com 

Instruction Part Number: 10-8402 

1999-2003 Toyota 4Runner 3.4L V6 CARB E.O. # D-392-27  

1999-2004 Toyota Tacoma 3.4L V6 CARB E.O. #D-392-27 

Brute Force Air Intake Systems that are pending CARB approval are illegal in California except on racing vehicles which may 

never be used on public highways. 

© Copyright 2009 

 

Summary of Contents for 21-8402

Page 1: ...eet Unit A Hawthorne CA 90250 Phone 310 484 2322 Fax 310 484 0152 www aempower com Instruction Part Number 10 8402 1999 2003 Toyota 4Runner 3 4L V6 CARB E O D 392 27 1999 2004 Toyota Tacoma 3 4L V6 CARB E O D 392 27 Brute Force Air Intake Systems that are pending CARB approval are illegal in California except on racing vehicles which may never be used on public highways Copyright 2009 ...

Page 2: ...g This special blend of powder coating helps reduce heat penetration which in turn reduces the temperature of the inlet air charge The cooler inlet air temperature translates to more power during the combustion process because cool air is denser than warm air The air mass flow to the engine is increased because of the increased airflow and reduced inlet temperature which translates to more power B...

Page 3: ... the past two hours let it cool down 2 Removing the stock air inlet system Note Be sure to save the stock air inlet system components should the need arise to reinstall them Hose 3 Hose 1 Hose 2 MAF 3 a Remove the three bolts that hold the factory air box in place b Unplug the Mass Air Flow MAF sensor and loosen the hose clamp around the throttle body Unplug the three hoses connected to the air in...

Page 4: ...EM inlet pipe and air filter are clean and free from any foreign objects and or obstructions Push Blue Tab e Remove the MAF sensor from the air inlet system by removing the two screws shown in the figure a Remove the factory vacuum hose shown in the picture and replace it with the vacuum hose in the AEM kit b Install the MAF sensor into the AEM pipe using the Allen head bolts included in the kit D...

Page 5: ...m nut and fender washer included in kit to the reverse side inside the wheel well e Secure the remaining mounting tab underneath the igniter tab with the factory M6 bolt Secure the other side with the provided M8 washer and bolt d Insert heat shield Secure the heat shield to mounting tab located behind the passenger headlight with provided M8 washer and bolt 5 ...

Page 6: ...throttle body with provided hose clamp The other hose clamp should be loose i Secure the bracket with provided washer and serrated nut Refer to diagram below h Once the bracket is lined up for fitment tighten the hose clamp at the throttle body securing the inlet pipe Lock Nut Fender Washer Rubber Mount Inlet Pipe Support Tab Mounting 6 ...

Page 7: ...se included in the kit to the other end of the barbed fitting Slide the other end of the tube onto the nipple and secure it in place with the 1 hose clamp The figure at right shows the layout of this assembly A B 7 j On 2000 and earlier models refer to figure A On 2001 refer to figure B for vacuum hose routing l Attach the hose to the nipple at the throttle body from step a k Reattach breather hos...

Page 8: ...e bay for any loose tools and check that all fasteners that were moved or removed are tight r Start vehicle and check for proper operation of all the components that were removed s Make sure the intake pipe does not contact the heat shield during start up or while the engine is running If this happens adjust the position of the pipe For Technical Inquiries E Mail Us At tech aempower com ...

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